75512070 has 48 divisors (see below), whose sum is σ = 197374320. Its totient is φ = 20029632.

The previous prime is 75512069. The next prime is 75512089. The reversal of 75512070 is 7021557.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15601 + ... + 19859.

It is an arithmetic number, because the mean of its divisors is an integer number (4111965).

Almost surely, 2^75512070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75512070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98687160).

75512070 is an abundant number, since it is smaller than the sum of its proper divisors (121862250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75512070 is a wasteful number, since it uses less digits than its factorization.

75512070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469 (or 4466 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 27.

The square root of 75512070 is about 8689.7681211871. The cubic root of 75512070 is about 422.6739267341.

The spelling of 75512070 in words is "seventy-five million, five hundred twelve thousand, seventy".